210893488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 459796960

約数和(自身を除く): 248903472

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 67, 74, 104, 134, 148, 208, 268, 296, 409, 481, 536, 592, 818, 871, 962, 1072, 1636, 1742, 1924, 2479, 3272, 3484, 3848, 4958, 5317, 6544, 6968, 7696, 9916, 10634, 13936, 15133, 19832, 21268, 27403, 30266, 32227, 39664, 42536, 54806, 60532, 64454, 85072, 109612, 121064, 128908, 196729, 219224, 242128, 257816, 356239, 393458, 438448, 515632, 712478, 786916, 1013911, 1424956, 1573832, 2027822, 2849912, 3147664, 4055644, 5699824, 8111288, 13180843, 16222576, 26361686, 52723372, 105446744, 210893488]

約数ペア:

[(1, 210893488), (2, 105446744), (4, 52723372), (8, 26361686), (13, 16222576), (16, 13180843), (26, 8111288), (37, 5699824), (52, 4055644), (67, 3147664), (74, 2849912), (104, 2027822), (134, 1573832), (148, 1424956), (208, 1013911), (268, 786916), (296, 712478), (409, 515632), (481, 438448), (536, 393458), (592, 356239), (818, 257816), (871, 242128), (962, 219224), (1072, 196729), (1636, 128908), (1742, 121064), (1924, 109612), (2479, 85072), (3272, 64454), (3484, 60532), (3848, 54806), (4958, 42536), (5317, 39664), (6544, 32227), (6968, 30266), (7696, 27403), (9916, 21268), (10634, 19832), (13936, 15133)]